9 Shocking Things Dogs Do In Their Sleep

You already know that your dog is very active during his or her waking hours, but did you know that some of the behaviors you see while your pup is awake can also occur during sleeping?

Just as humans can talk, move, and even walk in their sleep, so can your Shih Tzu. Take a look at these nine shocking things your dog does while sleeping - then observe your pup to see which ones apply to your dog.

1. Crying

When your dog goes into REM sleep, the deepest stage of sleep, he or she may cry or whimper. Some believe that it's because they're dreaming, while others think it's just a reflex. In any case, you don't have to worry about your pup in most cases. Just let sleeping dogs lie in this case, since they're getting some much needed rest.